FR39944E - Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications - Google Patents

Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications

Info

Publication number
FR39944E
FR39944E FR39944DA FR39944E FR 39944 E FR39944 E FR 39944E FR 39944D A FR39944D A FR 39944DA FR 39944 E FR39944 E FR 39944E
Authority
FR
France
Prior art keywords
telemechanics
telecine
television
applications
receiving systems
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
R Barthelemy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR39944E publication Critical patent/FR39944E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/08—Separation of synchronising signals from picture signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Secondary Cells (AREA)
  • Hybrid Cells (AREA)
  • Luminescent Compositions (AREA)
FR39944D 1930-05-21 1930-07-22 Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications Expired FR39944E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR579664X 1930-05-21

Publications (1)

Publication Number Publication Date
FR39944E true FR39944E (en) 1932-03-19

Family

ID=8956285

Family Applications (5)

Application Number Title Priority Date Filing Date
FR711446D Expired FR711446A (en) 1930-05-21 1930-05-21 Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications
FR39944D Expired FR39944E (en) 1930-05-21 1930-07-22 Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications
FR40289D Expired FR40289E (en) 1930-05-21 1930-11-08 Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications
FR40750D Expired FR40750E (en) 1930-05-21 1931-03-14 Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications
FR49468D Expired FR49468E (en) 1930-05-21 1937-12-01 Improvements to synchronized systems, transmitters and receivers of television, telecine, telemechanics and other applications

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR711446D Expired FR711446A (en) 1930-05-21 1930-05-21 Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications

Family Applications After (3)

Application Number Title Priority Date Filing Date
FR40289D Expired FR40289E (en) 1930-05-21 1930-11-08 Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications
FR40750D Expired FR40750E (en) 1930-05-21 1931-03-14 Improvements to synchronized transmitting and receiving systems for television, telecine, telemechanics and other applications
FR49468D Expired FR49468E (en) 1930-05-21 1937-12-01 Improvements to synchronized systems, transmitters and receivers of television, telecine, telemechanics and other applications

Country Status (5)

Country Link
US (1) US1940161A (en)
DE (1) DE579664C (en)
FR (5) FR711446A (en)
GB (1) GB363605A (en)
NL (1) NL48119C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE939510C (en) * 1933-04-13 1956-03-15 Emi Ltd Circuit arrangement for reintroducing the direct current component lost during transmission into the composite picture signal in television systems

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967256C (en) * 1933-02-10 1957-10-31 Emi Ltd Circuit arrangement for obtaining the amplitudes of a synchronizing pulse which exceed a certain minimum value
BE401738A (en) * 1933-03-01
DE756008C (en) * 1933-05-20 1954-11-22 Opta Radio A G Arrangement for filtering out the synchronization pulses and for regulating the degree of amplification
US2178234A (en) * 1934-02-28 1939-10-31 Rca Corp Television system
DE748742C (en) * 1934-07-31 1944-11-09 Television broadcasting method in which the picture modulation is given from one side and the picture change synchronization pulses from the other side of a fixed value (black value or value of greatest brightness)
BE411185A (en) * 1934-09-18
GB450675A (en) * 1934-11-19 1936-07-20 Cecil Oswald Browne Improvements in or relating to television and the like transmitting systems
DE972011C (en) * 1935-06-12 1959-05-06 Fernseh Gmbh Double-sided amplitude sieve
BE422316A (en) * 1936-07-05
DE766547C (en) * 1936-11-12 1954-08-09 Fernseh Gmbh Circuit with a variable degree of amplification for the amplification of symbols
DE959375C (en) * 1937-07-22 1957-03-07 Telefunken Gmbh Circuit arrangement for synchronizing a process by means of pulses, in particular for television purposes
US2240507A (en) * 1938-10-05 1941-05-06 Hazeltine Corp Television synchronizing and control system
DE751692C (en) * 1941-02-27 1953-12-21 Lorenz C Ag Measurement methods, especially for broadband cables
DE975765C (en) * 1941-12-13 1962-08-23 Philips Nv Device for receiving signals transmitted with the aid of pulses of constant amplitude
NL74381C (en) * 1944-07-13
US2577355A (en) * 1944-12-09 1951-12-04 Bell Telephone Labor Inc Pulse forming and shaping circuits
DE977647C (en) * 1950-07-21 1967-11-30 Aga Ab Device for separating the sync pulses in a television receiver
US2698358A (en) * 1950-11-30 1954-12-28 Rca Corp Video amplifier control by combined a. g. c. and d. c. voltages
DE959113C (en) * 1951-06-16 1957-02-28 Interessengemeinschaft Fuer Ru Circuit for the separation of synchronization pulses from a composite signal with the aid of a biased diode
DE1168950B (en) * 1956-04-13 1964-04-30 Loewe Opta Ag Circuit arrangement for suppressing interference when separating the synchronizing pulses in the multi-grille amplitude screen tube of a television receiver
GB933262A (en) * 1959-03-26 1963-08-08 Int Computers & Tabulators Ltd Improvements in or relating to amplitude selection circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE939510C (en) * 1933-04-13 1956-03-15 Emi Ltd Circuit arrangement for reintroducing the direct current component lost during transmission into the composite picture signal in television systems

Also Published As

Publication number Publication date
FR40289E (en) 1932-06-08
FR40750E (en) 1932-08-22
NL48119C (en)
GB363605A (en) 1931-12-24
FR711446A (en) 1931-09-09
US1940161A (en) 1933-12-19
FR49468E (en) 1939-05-01
DE579664C (en) 1933-07-01

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